Traditional Culture Encyclopedia - The 24 Solar Terms - What is the shaking of Audi a8d3 4.2 cold car?
What is the shaking of Audi a8d3 4.2 cold car?
There are too many carbon deposits in throttle, fuel injector and air intake, which may be one or all of them.
When there is too much carbon deposit in the engine, the gasoline sprayed by the fuel injection head will be absorbed by a large amount of carbon deposit during cold start, which will lead to too thin mixture during cold start and make the start shake.
Mechanical failure of ignition coil, spark plug and fuel injector. , resulting in cylinder missing.
Low oil pressure or cylinder pressure, resulting in insufficient power.
The fuel quality is unqualified.
Idle speed control valve is damaged or dirty.
Air leakage in the intake manifold.
Engine arm or gripper pad is damaged, etc.
The oxidation or low grade of engine oil is mainly due to poor fluidity at low temperature, and the engine cold start protection is not in place.
Two: It is recommended to go to a 4S shop or a repair shop and go in for inspection and maintenance to improve the safety performance of the car.
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